Claude Sonnet 4 (2025-05-14)

API ID claude-sonnet-4-20250514

claude-sonnet-4-20250514 was an Anthropic model, released May 2025.

Status: Retired
Released: May 2025
Shutdown: Jun 15, 2026
Replacement: Claude Sonnet 5.5claude-sonnet-5-5

claude-sonnet-4-20250514 stopped serving on June 15, 2026. Recommended replacement: claude-sonnet-5-5.

Benchmarks

Scores as each source published them

Comparing with Claude 3.7 Sonnet (2025-02-19), the previous model in this line. A score is compared only with the same benchmark from the same source, at the same setting where both have it. Full comparison: prices, limits, features

Arena

Arena	Claude Sonnet 4 (2025-05-14)	Claude 3.7 Sonnet (2025-02-19)	Change	Rank	Date	Source
Text Other settings 1391 ±4 vs 1372 ±4 By category Math 1404 rank 154 vs 1385 (+19, within range) Creative writing 1396 rank 114 vs 1393 (+3, within range) Instruction following 1416 rank 118 vs 1411 (+5, within range) Hard prompts 1433 rank 140 vs 1418 (+15) Long prompts 1443 rank 105 vs 1430 (+13, within range) Multi-turn 1421 rank 131 vs 1400 (+21) Expert 1434 rank 141 vs 1411 (+23, within range)	1402 ±4	1388 ±4	+14	159 of 415 34,140 votes	Oct 13, 2026	source
Text: Coding Other settings 1449 ±7 vs 1431 ±7	1474 ±8	1452 ±8	+22	118 of 410 6,348 votes	Oct 13, 2026	source
Vision Other settings 1188 ±14 vs 1175 ±9	1206 ±17	1193 ±15	+13 within range	88 of 165 1,145 votes	Oct 9, 2026	source

Rated as claude-sonnet-4-20250514-thinking-32k; Claude 3.7 Sonnet (2025-02-19) as claude-3-7-sonnet-20250219-thinking-32k. Ratings come from people voting between two anonymous answers; Text and Vision are style-controlled, as on arena.ai. Data: Arena (arena.ai), CC BY 4.0.

Epoch AI

Benchmark	Claude Sonnet 4 (2025-05-14)	Claude 3.7 Sonnet (2025-02-19)	Change	Setting	Run	Source
GPQA Diamond Other settings 78.3% vs 76.8% 32k 75.8% vs 76.8% 16k 66.7% vs 66.0%	79.2%	79.7%	−0.5 pts	59k (vs 64k)	May 26, 2025	source
MATH Level 5	84.4%	68.2%	+16.2 pts		May 22, 2025	source
OTIS Mock AIME 2024-2025 Other settings 68.9% vs not run 59k 53.3% vs 46.7% 16k 28.9% vs 21.9%	71.1%	53.3%	+17.8 pts	32k	May 22, 2025	source

Run independently by Epoch AI. Data: Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.

On cloud platforms

All platform dates

Platform	Platform ID	State	Shutdown	Time left	Replacement	Source
Amazon Bedrock	anthropic.claude-sonnet-4-20250514-v1:0	Retired on October 14, 2026	Oct 14, 2026		—	source

Amazon Bedrock retired this model 121 days after Anthropic's own API.

Read daily from each platform's own pages. The shutdown date and countdown on this page use Anthropic's own date.

Price history

USD per 1M tokens, standard tier

We started recording this model's prices on Oct 1, 2026. The history grows with each daily check.

Show as a table

From	Type	Price
Oct 1, 2026	Input	$3.00
Oct 1, 2026	Output	$15.00

Prices

USD per 1M tokens, every type and band, by tier

Type	Price $/1M	In effect
Standard
input	$3.00
cached input	$0.30
cache write (5 min)	$3.75
cache write (1 hour)	$6.00
output	$15.00
Batch
input	$1.50
output	$7.50

Changelog

Changes we detected on Anthropic's pages

No changes recorded yet.

Last checked Oct 15, 2026, 2:00 am ET · Sources: Anthropic models, Anthropic deprecations, Anthropic pricing, Anthropic model pages